can i use two header file . h in intmain .cpp

like in photo

C Shape.h > \#includerstring> class shape \{ protected: float width; float height; public: void set_data(float w, float h) \{ width=w; height =; 3 C Triangle.h >... \#includesstring> \#include"Shape.h" ciass Triangle : public shape \{ public: float area () I return (width*height)/2; 3 \#include \#include"Triangle. h " \#include"Rectangle. "" " using namespace std; int main() Triangle ti; t1.set_data (10,10); Rectangle r1; M1.set_data (10,10)